259542231 has 16 divisors (see below), whose sum is σ = 372975456. Its totient is φ = 159590016.

The previous prime is 259542211. The next prime is 259542263. The reversal of 259542231 is 132245952.

It is not a de Polignac number, because 259542231 - 2²⁷ = 125324503 is a prime.

It is a super-2 number, since 2×259542231² = 134724339344914722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259542192 and 259542201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259542211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75261 + ... + 78633.

It is an arithmetic number, because the mean of its divisors is an integer number (23310966).

Almost surely, 2^259542231 is an apocalyptic number.

259542231 is a deficient number, since it is larger than the sum of its proper divisors (113433225).

259542231 is a wasteful number, since it uses less digits than its factorization.

259542231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362.

The product of its digits is 21600, while the sum is 33.

The square root of 259542231 is about 16110.3144289613. The cubic root of 259542231 is about 637.8756312970.

The spelling of 259542231 in words is "two hundred fifty-nine million, five hundred forty-two thousand, two hundred thirty-one".